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Abstract
The paper presents a complete value chain for the use of green hydrogen in a port facility. The main objective was to propose the sizing of the main components that make up green hydrogen to ensure the supply of 1 MWe in replacing the diesel generator. The energy demand required for the port was determined by establishing the leading small and large-scale conventional energy-consuming equipment. Hence, 60 kgH2 was required to ensure the power supply. The total electrical energy to produce all the hydrogen was generated from photovoltaic solar energy, considering three-generation scenarios (minimum, maximum and the annual average). In all cases, the energy supply in the electrolyzer was 3.08 MWe. In addition, the effect of generating in the port facility using a diesel generator and a fuel cell was compared. The cost of 1 kgH2 could be 4.09 times higher than the cost of 1 L of diesel, meaning that the output kWh of each system is economically similar. In addition, the value of electrical energy through a Power Purchase Agreement (PPA) was a maximum of 79.79 times the value of a liter of diesel. Finally, the Levelized Cost of Energy (LCOE) was calculated for two conditions in which the MWe was obtained from the fuel cell without and with the photovoltaic solar plant.
Highlights
The decarbonization of the energy sector requires urgent action on a global scale while a global energy transition is taking place [1]
This study focuses on evaluating the consequences, effects, and short-term challenges for the final use of green H2 in the country, through a specific application in strategic consumers of port facilities, which contributes to the country energy transition to face climate change
The case study was established in the Valparaíso Region to investigate and evaluate a complete green H2 value chain to generate the energy required in port station systems
Summary
The decarbonization of the energy sector requires urgent action on a global scale while a global energy transition is taking place [1]. One of the global players, the International Renewable Energy Agency (IRENA), has evaluated the decarbonization pathways through REmap [4]. This plan is to determine the potential of countries, regions and the world to expand renewable energy. It supports and accelerates the energy transition by providing the necessary knowledge, tools and support to member countries as they increase the share of renewables in their energy sectors
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